Maulani Puja kusuma, C., & Ferdian Shobur, A. (2026). The Development of an ITIL-Based Customer Service Complaint Handling System. Jurnal Pustaka Data (Pusat Akses Kajian Database, Analisa Teknologi, Dan Arsitektur Komputer), 6(4), 650 –. https://doi.org/10.55382/jurnalpustakadata.v6i4.2015